MAX1901ETJ 查看數據表（PDF） - Maxim Integrated
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MAX1901ETJ
Maxim Integrated
MAX1901ETJ Datasheet PDF : 33 Pages
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500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, both PWMs on, SYNC = VL, VL load = 0, REF load = 0, SKIP = 0, TA = 0°C to +85°C, unless otherwise noted. Typical
values are at TA = +25°C.)
PARAMETER
FAULT DETECTION (MAX1901/MAX1902)
Overvoltage Trip Threshold
Overvoltage Fault Propagation Delay
Output Undervoltage Threshold
Output Undervoltage Lockout Time
Thermal-Shutdown Threshold
RESET
RESET Trip Threshold
RESET Propagation Delay
RESET Delay Time
INPUTS AND OUTPUTS
Feedback-Input Leakage Current
Logic Input-Low Voltage
Logic Input-High Voltage
Input Leakage Current
Logic Output-Low Voltage
Logic Output-High Current
TIME/ON5 Input Trip Level
TIME/ON5 Source Current
TIME/ON5 On-Resistance
Gate-Driver Sink/Source Current
Gate-Driver On-Resistance
CONDITIONS
MIN TYP MAX UNITS
With respect to unloaded output voltage
CSL_ driven 2% above overvoltage trip
threshold
With respect to unloaded output voltage
From each SMPS enabled, with respect to
fOSC
Typical hysteresis = 10°C
4
7
10
%
1.5
µs
60
70
80
%
5,000 6,144 7,000 clks
150
°C
With respect to unloaded output voltage,
falling edge; typical hysteresis = 1%
-7
-5.5
-4
%
Falling edge, CSL_ driven 2% below RESET
trip threshold
1.5
µs
With respect to fOSC
27,000 32,000 37,000 clks
FB3, FB5; SECFB = 2.6V
1
50
nA
RUN/ON3, SKIP, TIME/ON5 (SEQ = REF),
SHDN, STEER, SYNC
0.6
V
RUN/ON3, SKIP, TIME/ON5 (SEQ = REF),
SHDN, STEER, SYNC
2.4
V
RUN/ON3, SKIP, TIME/ON5 (SEQ = REF),
SHDN, STEER, SYNC, SEQ; VPIN = 0V or 3.3V
RESET, ISINK = 4mA
RESET = 3.5V
1
±1
µA
0.4
V
mA
SEQ = 0 or VL
TIME/ON5 = 0, SEQ = 0 or VL
TIME/ON5; RUN/ON3 = 0, SEQ = 0 or VL
DL3, DH3, DL5, DH5; forced to 2V
2.4
2.6
V
2.5
3
3.5
µA
15
80
Ω
1
A
High or low (Note 6)
SSOP package
QFN package
1.5
7
Ω
1.5
8
4 _______________________________________________________________________________________
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